OpenFaaS vs Kustomize: Key Differences & When to Use Each

Comprehensive side-by-side comparison of features, pricing, and metrics

Key Differences

Compare OpenFaaS and Kustomize across features, pricing, integrations, and community metrics. OpenFaaS / Kustomize.

Feature

OpenFaaS

Serverless

Kustomize

Configuration

Side-by-side comparison of developer tools
Serverless functions made simple
Kubernetes native configuration management
GitHub Stars
⭐ 26,148
⭐ 12,042
Contributors
👥 187
👥 463
Pricing
✓ Free
Enterprise: Contact sales
✓ Free
Enterprise: Contact sales
Languages
Go
Go
Features
  • • Docker
  • • Faas
  • • Functions
  • • Functions As A Service
  • • Gitops
  • • Hacktoberfest
  • • K8s Sig Cli
Integrations
  • • kubernetes
  • • docker
  • • aws
  • • kubernetes
Momentum Score
14/100 (stable)
79/100 (stable)
Community Health
34/100 (needs-attention)
63/100 (moderate)
Maturity Index
28/100 (experimental)
41/100 (emerging)
Innovation Score
70/100 (innovative)
18/100 (traditional)
Risk Score (higher is safer)
25/100 (high)
44/100 (medium)
Developer Experience
91/100 (excellent)
68/100 (fair)
Links
🌐 Visit Website View on GitHub
🌐 Visit Website View on GitHub

OpenFaaS Strengths

  • ✓ More popular (26,148 stars)
  • ✓ More features (5 listed)

Kustomize Strengths

  • ✓ Larger community (463 contributors)

When to Use OpenFaaS vs Kustomize

Use OpenFaaS when its strengths align better with your stack and team needs, and choose Kustomize when its ecosystem, integrations, or cost profile is a better fit.

Related comparisons

OpenFaaS vs Knative → Kustomize vs Kubernetes → OpenFaaS vs Kubernetes → Kustomize vs Docker → OpenFaaS vs Docker → Kustomize vs MinIO → OpenFaaS vs MinIO → Kustomize vs Istio → OpenFaaS vs Istio → Kustomize vs Docker Compose → OpenFaaS vs Docker Compose → Kustomize vs Drone →

More Comparisons

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Data source: GitHub API

Last updated: 5/4/2026